Recycled Value of Aluminum-Zinc Coated Steel Sheets
Aluminum-zinc coated steel is a recyclable material with a recycling rate exceeding 95%. Its regeneration process includes: first, separating the coating from the substrate through crushing and magnetic separation; then, melting the coating into aluminum-zinc alloy and remelting the substrate into steel plates; finally, adjusting the composition to reform the aluminum-zinc coated steel. Compared to virgin material, the production of recycled aluminum-zinc coated steel reduces energy consumption by 60% and CO2 emissions by 75%. Statistics show that approximately 500,000 tons of aluminum-zinc coated steel are recycled annually, equivalent to reducing the mining of 1 million tons of iron ore and 300,000 tons of bauxite. Driven by the EU's circular economy policy, the price of recycled aluminum-zinc coated steel is 15%-20% lower than that of virgin material, and is widely used in cost-sensitive fields such as construction and automotive.